Which company introduced the world's first commercially successful self-checkout system in retail stores?

The retail industry has undergone numerous technological transformations that have changed how we shop. One of the most significant innovations was the introduction of self-checkout technology, which dramatically altered the traditional customer experience by putting the transaction process directly in shoppers' hands. This technology represents a fascinating intersection of retail efficiency, consumer psychology, and technological innovation. Test your knowledge about this retail technology milestone!

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IBM with its 'FastLane' system in 1998
NCR with its 'Self-Checkout' system in 1992
Fujitsu with its 'U-Scan' system in 1995
Toshiba with its 'SureScan' system in 1997